onap: Run ONAP master deployments in Frankfurt region

onap: Run ONAP master deployments in Frankfurt region

Due to the issues we are having in City Karlskrona region, we are
giving a try to Frankfurt region to see if it is more stable. In order
to evaluate stability of Frankfurt region, there will be more frequent
runs during the weekend so we have sufficient data to decide whether to
move to Frankfurt region permanently or not.

Concurrent runs of master deployments is also disabled since it will be
more costly and potention to result in quota issues.

Change-Id: Ic16ba0c98928c1bdaf930ef97de4e3b1d50fb4c4